Home / 720,549.96-1,080,660.42-271,318.20

Finding the Fourth Proportional to 720,549.96, 1,080,660.42 and 271,318.20

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Solution

The fourth proportional to 720,549.96, 1,080,660.42 and 271,318.20 is: 406,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,549.96 : 1,080,660.42 = 271,318.20 : x
  2. Step 2: Convert to fraction form
    720,549.96/1,080,660.42 = 271,318.20/x
  3. Step 3: Cross multiply
    720,549.96x = 1,080,660.42 × 271,318.20
  4. Step 4: Simplify right side
    720,549.96x = 293,202,839,965.64
  5. Step 5: Solve for x
    x = 293,202,839,965.64/720,549.96
  6. Step 6: Final answer
    x = 406,915.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.